/*
*  Copyright 2019-2020 Zheng Jie
*
*  Licensed under the Apache License, Version 2.0 (the "License");
*  you may not use this file except in compliance with the License.
*  You may obtain a copy of the License at
*
*  http://www.apache.org/licenses/LICENSE-2.0
*
*  Unless required by applicable law or agreed to in writing, software
*  distributed under the License is distributed on an "AS IS" BASIS,
*  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
*  See the License for the specific language governing permissions and
*  limitations under the License.
*/
package me.zhengjie.service.impl;

import me.zhengjie.domain.BorrowingCart;
import me.zhengjie.utils.ValidationUtil;
import me.zhengjie.utils.FileUtil;
import lombok.RequiredArgsConstructor;
import me.zhengjie.repository.BorrowingCartRepository;
import me.zhengjie.service.BorrowingCartService;
import me.zhengjie.service.dto.BorrowingCartDto;
import me.zhengjie.service.dto.BorrowingCartQueryCriteria;
import me.zhengjie.service.mapstruct.BorrowingCartMapper;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.Pageable;
import me.zhengjie.utils.PageUtil;
import me.zhengjie.utils.QueryHelp;
import java.util.List;
import java.util.Map;
import java.io.IOException;
import javax.servlet.http.HttpServletResponse;
import java.util.ArrayList;
import java.util.LinkedHashMap;

/**
* @website https://el-admin.vip
* @description 服务实现
* @author ...
* @date 2020-11-08
**/
@Service
@RequiredArgsConstructor
public class BorrowingCartServiceImpl implements BorrowingCartService {

    private final BorrowingCartRepository borrowingCartRepository;
    private final BorrowingCartMapper borrowingCartMapper;

    @Override
    public Map<String,Object> queryAll(BorrowingCartQueryCriteria criteria, Pageable pageable){
        Page<BorrowingCart> page = borrowingCartRepository.findAll((root, criteriaQuery, criteriaBuilder) -> QueryHelp.getPredicate(root,criteria,criteriaBuilder),pageable);
        return PageUtil.toPage(page.map(borrowingCartMapper::toDto));
    }

    @Override
    public List<BorrowingCartDto> queryAll(BorrowingCartQueryCriteria criteria){
        return borrowingCartMapper.toDto(borrowingCartRepository.findAll((root, criteriaQuery, criteriaBuilder) -> QueryHelp.getPredicate(root,criteria,criteriaBuilder)));
    }

    @Override
    @Transactional(rollbackFor = Exception.class)
    public BorrowingCartDto findById(Integer borrowingCartId) {
        BorrowingCart borrowingCart = borrowingCartRepository.findById(borrowingCartId).orElseGet(BorrowingCart::new);
        ValidationUtil.isNull(borrowingCart.getBorrowingCartId(),"BorrowingCart","borrowingCartId",borrowingCartId);
        return borrowingCartMapper.toDto(borrowingCart);
    }

    @Override
    @Transactional(rollbackFor = Exception.class)
    public BorrowingCartDto create(BorrowingCart resources) {
        return borrowingCartMapper.toDto(borrowingCartRepository.save(resources));
    }

    @Override
    @Transactional(rollbackFor = Exception.class)
    public void update(BorrowingCart resources) {
        BorrowingCart borrowingCart = borrowingCartRepository.findById(resources.getBorrowingCartId()).orElseGet(BorrowingCart::new);
        ValidationUtil.isNull( borrowingCart.getBorrowingCartId(),"BorrowingCart","id",resources.getBorrowingCartId());
        borrowingCart.copy(resources);
        borrowingCartRepository.save(borrowingCart);
    }

    @Override
    public void deleteAll(Integer[] ids) {
        for (Integer borrowingCartId : ids) {
            borrowingCartRepository.deleteById(borrowingCartId);
        }
    }

    @Override
    public void download(List<BorrowingCartDto> all, HttpServletResponse response) throws IOException {
        List<Map<String, Object>> list = new ArrayList<>();
        for (BorrowingCartDto borrowingCart : all) {
            Map<String,Object> map = new LinkedHashMap<>();
            map.put("读者编号 ", borrowingCart.getReaderId());
            map.put("真实图书编号 ", borrowingCart.getRealBookId());
            map.put("配送方式：0自提 1:快递 2:面对面", borrowingCart.getType());
            map.put("状态：0：未借入 1：成功借入 2：借入失败", borrowingCart.getStatus());
            map.put("加入时间 ", borrowingCart.getDate());
            map.put("是否启用 1启用 0未启用", borrowingCart.getIsEnable());
            list.add(map);
        }
        FileUtil.downloadExcel(list, response);
    }
}